As you requested, here you have some exercises to revise for the exam tomorrow. Good learning!!!
http://www.mansioningles.com/gram24_ej1.htm
http://perso.wanadoo.es/autoenglish/gr.relative.i.htm
http://perso.wanadoo.es/autoenglish/gr.nonrelat.i.htm
http://www.visi.es/esl_practice/esl_practice.html